:root{--washi:#f1e9d7;--washi-2:#faf5ea;--washi-3:#e6dcc5;--sumi:#1c2433;--sumi-2:#45506a;--muted:#79818f;--ai:#1f3f6e;--ai-2:#0f2a52;--ai-3:#5c86b8;--ai-4:#9dbad8;--ai-soft:rgba(31,63,110,.1);--shu:#d1472a;--shu-soft:rgba(209,71,42,.12);--kin:#e1a23c;--rule:rgba(28,36,51,.22);--rule-soft:rgba(28,36,51,.11);--sky:#ece7da;--foam:#f6f1e4;--wood:#b97a43;--shadow:0 30px 60px -30px rgba(15,42,82,.45);--gauge-sun:#e9cf7c;--storm:#2f3a52;color-scheme:light}@media (prefers-color-scheme: dark){:root:not([data-theme=light]){--washi:#0d1626;--washi-2:#121e31;--washi-3:#0a111d;--sumi:#efe7d4;--sumi-2:#cdc5b1;--muted:#95a1b7;--ai:#86add9;--ai-2:#a9c8ec;--ai-3:#4a6d9c;--ai-4:#2b4a75;--ai-soft:rgba(134,173,217,.12);--shu:#ff6d4c;--shu-soft:rgba(255,109,76,.14);--kin:#f0b65a;--rule:rgba(239,231,212,.26);--rule-soft:rgba(239,231,212,.12);--sky:#1a2a45;--foam:#e9e3d2;--wood:#c98a52;--shadow:0 30px 60px -30px rgba(0,0,0,.8);--gauge-sun:#d8b45a;--storm:#060c17;color-scheme:dark}}:root[data-theme=dark]{--washi:#0d1626;--washi-2:#121e31;--washi-3:#0a111d;--sumi:#efe7d4;--sumi-2:#cdc5b1;--muted:#95a1b7;--ai:#86add9;--ai-2:#a9c8ec;--ai-3:#4a6d9c;--ai-4:#2b4a75;--ai-soft:rgba(134,173,217,.12);--shu:#ff6d4c;--shu-soft:rgba(255,109,76,.14);--kin:#f0b65a;--rule:rgba(239,231,212,.26);--rule-soft:rgba(239,231,212,.12);--sky:#1a2a45;--foam:#e9e3d2;--wood:#c98a52;--shadow:0 30px 60px -30px rgba(0,0,0,.8);--gauge-sun:#d8b45a;--storm:#060c17;color-scheme:dark}*{box-sizing:border-box}html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}body{margin:0;background:var(--washi);color:var(--sumi);font-family:Zen Kaku Gothic New,Hiragino Sans,system-ui,sans-serif;font-size:17px;line-height:1.55;overflow-x:hidden}body:before{content:"";position:fixed;top:0;right:0;bottom:0;left:0;pointer-events:none;z-index:0;opacity:.5;mix-blend-mode:multiply;background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='300' height='300'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.012 .9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 .3 0 0 0 0 .3 0 0 0 0 .28 0 0 0 .12 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>")}.tide{position:fixed;top:0;right:0;bottom:0;left:0;width:100%;height:100%;pointer-events:none;z-index:-1;color:var(--ai)}#root{position:relative;z-index:1}.wrap{width:min(1280px,100% - 32px);margin-inline:auto;padding-inline:max(0px,env(safe-area-inset-left)) max(0px,env(safe-area-inset-right))}a{color:inherit}button{font-family:inherit}.lab{font-family:Zen Kaku Gothic New,sans-serif;font-weight:700;font-size:11px;letter-spacing:.22em;text-transform:uppercase}.mono{font-family:DM Mono,ui-monospace,monospace;font-size:12px;letter-spacing:.08em}.tnum{font-variant-numeric:lining-nums tabular-nums}.nav{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:16px 0 14px}.brand{display:flex;align-items:center;gap:12px;text-decoration:none}.brand .seal{width:34px;height:34px;background:var(--shu);border-radius:5px;display:grid;place-items:center;color:var(--washi-2);box-shadow:0 1px #00000026}.brand .seal svg{width:24px;height:24px}.brand b{font-family:Shippori Mincho B1,serif;font-weight:800;font-size:20px;letter-spacing:.02em}.nav nav{display:flex;gap:28px}.nav nav a{text-decoration:none;font-weight:500;font-size:13px;letter-spacing:.06em}.nav nav a:hover{color:var(--shu)}.nav .tag{display:inline-flex;align-items:center;gap:8px;padding:7px 11px;border:1px solid var(--rule);border-radius:999px;font-family:DM Mono,monospace;font-size:12px}.nav .tag i{width:7px;height:7px;border-radius:50%;background:var(--shu);display:inline-block}.sg{display:block;width:100%;height:22px;color:var(--ai);opacity:.55}.hero{position:relative;overflow:hidden;border-radius:4px;background:var(--sky);box-shadow:var(--shadow);margin-top:18px}.hero picture,.hero img{display:block;width:100%}.hero picture{position:relative;overflow:hidden}.hero img{aspect-ratio:2752/1536;object-fit:cover;object-position:center;animation:kenburns 46s ease-in-out infinite alternate;will-change:transform}@keyframes kenburns{0%{transform:scale(1.03) translateZ(0)}to{transform:scale(1.075) translate3d(-.6%,-1%,0)}}.hero .copy{position:absolute;left:6%;top:8%;width:36%;color:#1c2433}.hero .copy .lab{color:#1f3f6e;margin:0 0 16px;display:flex;align-items:center;gap:10px;white-space:nowrap}.hero .copy .lab:before{content:"";width:28px;height:1px;background:#1f3f6e}.hero .sub-phone{display:none}.hero h1{font-family:Shippori Mincho B1,serif;font-weight:800;font-size:clamp(34px,4.3vw,62px);line-height:1.04;margin:0 0 16px;letter-spacing:-.005em}.hero h1 em{font-style:normal;color:#d1472a}.hero p{margin:0 0 22px;font-size:clamp(15px,1.25vw,18px);line-height:1.5;color:#2d3648;max-width:36ch}.btn{display:inline-flex;align-items:center;gap:10px;padding:13px 20px;border-radius:999px;border:1.5px solid var(--sumi);text-decoration:none;font-weight:700;font-size:13px;letter-spacing:.1em;text-transform:uppercase;color:var(--sumi);background:transparent;cursor:pointer;transition:transform .15s,background .15s,color .15s}.btn:hover{transform:translateY(-1px);background:var(--sumi);color:var(--washi)}.btn.primary{background:var(--ai-2);border-color:var(--ai-2);color:var(--washi-2)}.btn.primary:hover{background:var(--shu);border-color:var(--shu)}.btn.shu{background:var(--shu);border-color:var(--shu);color:var(--washi-2)}.btn.shu:hover{background:var(--ai-2);border-color:var(--ai-2)}.hero .btns{display:flex;gap:12px;flex-wrap:wrap}.hero .copy .btn{color:#1c2433;border-color:#1c2433}.hero .copy .btn:hover{background:#1c2433;color:#f1e9d7}.hero .copy .btn.primary{background:#0f2a52;border-color:#0f2a52;color:#faf5ea}.hero .copy .btn.primary:hover{background:#d1472a;border-color:#d1472a}.hero .vtag{position:absolute;right:22px;top:22px;writing-mode:vertical-rl;background:#1c2433db;color:#f6f1e4;padding:14px 8px;font-family:DM Mono,monospace;font-size:11px;letter-spacing:.14em;border-radius:3px;z-index:2}.hero .vtag i{display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--shu);margin-bottom:10px}.cartouche{display:inline-flex;flex-direction:column;align-items:center;gap:6px}.cartouche .sig{writing-mode:vertical-rl;font-family:Shippori Mincho B1,serif;font-weight:700;font-size:13px;letter-spacing:.14em;color:#1c2433;background:#faf5eaeb;border:1px solid #1c2433;padding:9px 4px;border-radius:2px;line-height:1}.cartouche .chop{writing-mode:vertical-rl;font-family:Shippori Mincho B1,serif;font-weight:800;font-size:9px;letter-spacing:.12em;color:#faf5ea;background:#d1472a;padding:4px 2px;border-radius:2px;line-height:1}.cartouche.big{gap:14px}.cartouche.big .sig{font-size:34px;letter-spacing:.22em;padding:20px 10px;border-width:1.5px;background:var(--washi-2);color:var(--sumi);border-color:var(--sumi)}.cartouche.big .chop{font-size:18px;padding:9px 5px;border-radius:3px;background:var(--shu);color:var(--washi-2)}.hero .sigbtn{position:absolute;left:2.4%;bottom:7%;z-index:2;padding:0;border:0;background:none;cursor:pointer;opacity:.9;transition:opacity .2s,transform .2s}.hero .sigbtn:hover,.hero .sigbtn:focus-visible{opacity:1;transform:translateY(-2px)}.sec{display:grid;grid-template-columns:auto 1fr;gap:22px;align-items:end;margin:90px 0 30px;scroll-margin-top:16px}.sec .v{writing-mode:vertical-rl;transform:rotate(180deg);color:var(--shu);font-weight:700;font-size:11px;letter-spacing:.3em;text-transform:uppercase;border-left:1px solid var(--rule);padding-left:8px}.sec h2{margin:0;font-family:Shippori Mincho B1,serif;font-weight:800;font-size:clamp(28px,3vw,40px);line-height:1.1}.sec h2 small{display:block;font-family:Zen Kaku Gothic New,sans-serif;font-weight:400;font-size:16px;color:var(--muted);margin-top:8px;letter-spacing:0}.model{display:grid;grid-template-columns:minmax(0,1fr) 340px 360px;gap:36px;align-items:start}.inputs .row{display:grid;grid-template-columns:1fr auto;gap:16px;align-items:end;padding:16px 0 14px;border-bottom:1px solid var(--rule-soft)}.inputs .l{display:flex;flex-direction:column;gap:4px}.inputs .l b{font-weight:700;font-size:11px;letter-spacing:.22em;text-transform:uppercase;color:var(--ai)}.inputs .l span{color:var(--muted);font-size:14px;line-height:1.4;max-width:34ch}.inputs .l .hint,.panelans{display:none}.field{display:inline-flex;align-items:baseline;gap:6px;border-bottom:2px solid var(--sumi);min-width:180px;justify-content:flex-end;transition:border-color .15s}.field:focus-within{border-color:var(--shu)}.field .pre,.field .suf{font-family:Shippori Mincho B1,serif;font-size:18px;color:var(--muted)}.field input{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:0;background:transparent;color:var(--sumi);font-family:Shippori Mincho B1,serif;font-weight:800;font-size:28px;line-height:1.1;width:10ch;text-align:right;padding:4px 0 2px;outline:none;font-variant-numeric:lining-nums tabular-nums;min-width:0}.field.sm input{width:4ch}.seg{display:inline-flex;border:1.5px solid var(--sumi);border-radius:999px;padding:3px}.seg label{position:relative;padding:9px 16px;border-radius:999px;font-weight:700;font-size:12px;letter-spacing:.14em;text-transform:uppercase;cursor:pointer;color:var(--sumi-2)}.seg label:has(input:checked){background:var(--sumi);color:var(--washi)}.seg input{position:absolute;opacity:0;top:0;right:0;bottom:0;left:0;cursor:pointer;margin:0}.seg.cf{position:relative}.seg.cf label{cursor:default}.seg .locked{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:0;background:none;display:inline-flex;align-items:center;justify-content:center;gap:7px;padding:9px 14px 9px 16px;border-radius:999px;font:700 12px/1.2 Zen Kaku Gothic New,sans-serif;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);opacity:.62;cursor:help;text-decoration:line-through;text-decoration-thickness:1px;text-decoration-color:var(--rule)}.seg .locked svg{width:14px;height:14px;flex:none}.seg .locked:hover,.seg .locked:focus-visible,.seg.cf.open .locked{opacity:1;color:var(--ai)}.seg .locked:focus-visible{outline:2px solid var(--shu);outline-offset:2px}.seg .tip{position:absolute;right:0;top:calc(100% + 12px);z-index:40;width:min(360px,calc(100vw - 32px));padding:16px 18px 14px;background:var(--washi-2);color:var(--sumi-2);border:1.5px solid var(--sumi);border-radius:4px;box-shadow:var(--shadow);font-size:14px;line-height:1.5;text-transform:none;letter-spacing:0;opacity:0;visibility:hidden;transform:translateY(-4px);transition:opacity .16s,transform .16s,visibility 0s .16s}.seg .tip:before{content:"";position:absolute;right:46px;top:-8px;width:13px;height:13px;background:var(--washi-2);border-left:1.5px solid var(--sumi);border-top:1.5px solid var(--sumi);transform:rotate(45deg)}.seg .tip p{margin:0 0 10px}.seg .tip .q{font-family:Shippori Mincho B1,serif;font-weight:700;font-size:16.5px;line-height:1.4;color:var(--sumi)}.seg .tip .fine{margin:0;padding-top:10px;border-top:1px solid var(--rule-soft);font-weight:700;font-size:10.5px;letter-spacing:.18em;text-transform:uppercase;color:var(--shu)}.seg .locked:hover~.tip,.seg .locked:focus-visible~.tip,.seg .tip:hover,.seg.cf.open .tip{opacity:1;visibility:visible;transform:none;transition:opacity .16s,transform .16s}.stepper{display:inline-flex;align-items:center;gap:8px}.stepper button{width:38px;height:38px;border-radius:50%;border:1.5px solid var(--sumi);background:transparent;color:var(--sumi);font:500 20px/1 DM Mono,monospace;cursor:pointer}.stepper button:hover{border-color:var(--shu);color:var(--shu)}.row.items{grid-template-columns:1fr;gap:10px}.itemlist{display:flex;flex-direction:column;gap:8px}.item{display:grid;grid-template-columns:1fr auto auto;gap:12px;align-items:end}.item .name{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:0;border-bottom:1px solid var(--rule);background:transparent;color:var(--sumi);font:500 15px/1.3 Zen Kaku Gothic New,sans-serif;padding:8px 0 6px;outline:none;min-width:0}.item .name:focus{border-color:var(--shu)}.item .field{min-width:150px}.item .field input{font-size:22px;width:8ch}.item .x{width:30px;height:30px;border-radius:50%;border:1px solid var(--rule);background:transparent;color:var(--muted);font:400 16px/1 DM Mono,monospace;cursor:pointer;margin-bottom:6px}.item .x:hover{color:var(--shu);border-color:var(--shu)}.itot{display:flex;justify-content:space-between;align-items:baseline;padding-top:6px;font-size:13px;color:var(--muted);letter-spacing:.1em;text-transform:uppercase;font-weight:700}.itot b{font-family:Shippori Mincho B1,serif;font-weight:800;font-size:20px;color:var(--sumi);letter-spacing:0;text-transform:none}.add{align-self:flex-start;-webkit-appearance:none;-moz-appearance:none;appearance:none;background:none;border:1.5px dashed var(--rule);border-radius:999px;padding:8px 14px;font:700 11px/1 Zen Kaku Gothic New,sans-serif;letter-spacing:.16em;text-transform:uppercase;color:var(--ai);cursor:pointer}.add:hover{border-style:solid;border-color:var(--shu);color:var(--shu)}.risk{padding:20px 0 8px;border-bottom:1px solid var(--rule-soft)}.risk .l b{font-weight:700;font-size:11px;letter-spacing:.22em;text-transform:uppercase;color:var(--ai)}.risk .cur{display:flex;align-items:baseline;gap:12px;margin:6px 0 8px;flex-wrap:wrap}.risk .cur b{font-family:Shippori Mincho B1,serif;font-weight:800;font-size:28px}.risk .cur span{color:var(--muted);font-size:14px}.tideslider{position:relative;height:44px;margin:0 4px}.tideslider input[type=range]{-moz-appearance:none;appearance:none;-webkit-appearance:none;width:100%;height:44px;background:transparent;margin:0;position:relative;z-index:2;cursor:pointer}.tideslider input[type=range]::-webkit-slider-runnable-track{height:3px;border-radius:2px;background:linear-gradient(90deg,var(--shu),var(--ai-3),var(--ai-2))}.tideslider input[type=range]::-moz-range-track{height:3px;border-radius:2px;background:linear-gradient(90deg,var(--shu),var(--ai-3),var(--ai-2))}.tideslider input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;-moz-appearance:none;appearance:none;width:28px;height:28px;margin-top:-13px;border-radius:50%;background:var(--washi-2);border:2.5px solid var(--sumi);box-shadow:0 2px 6px #0003;transition:transform .15s}.tideslider input[type=range]::-moz-range-thumb{width:24px;height:24px;border-radius:50%;background:var(--washi-2);border:2.5px solid var(--sumi)}.tideslider input[type=range]:active::-webkit-slider-thumb{transform:scale(1.12)}.risk .labels{display:grid;grid-template-columns:repeat(5,1fr);margin:0}.risk .labels button{-webkit-appearance:none;-moz-appearance:none;appearance:none;background:none;border:0;padding:4px 0;font-weight:700;font-size:10px;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);cursor:pointer;text-align:center}.risk .labels button:first-child{text-align:left}.risk .labels button:last-child{text-align:right}.risk .labels button.on{color:var(--shu)}details.fine{margin-top:20px;border-top:1px solid var(--rule-soft)}details.fine summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center;padding:16px 0;font-weight:700;font-size:11px;letter-spacing:.22em;text-transform:uppercase;color:var(--ai)}details.fine summary::-webkit-details-marker{display:none}details.fine summary:after{content:"+";font-size:18px;font-weight:400}details.fine[open] summary:after{content:"−"}.chip{display:inline-flex;align-items:center;gap:6px;padding:2px 8px;border:1px solid var(--rule);border-radius:999px;font-family:DM Mono,monospace;font-size:10px;letter-spacing:.06em;text-transform:none;color:var(--muted);vertical-align:middle;font-weight:400}.chip i{width:6px;height:6px;border-radius:50%;background:var(--shu);display:inline-block}.explain{margin-top:26px;display:flex;align-items:center;gap:16px;flex-wrap:wrap}.explain .btn{gap:12px}.explain .btn svg{width:18px;height:18px}.explain span{color:var(--muted);font-size:14px;max-width:34ch}.model .right{position:sticky;top:20px}.gauge{background:var(--sky);border-radius:4px;overflow:hidden;box-shadow:var(--shadow);position:relative;aspect-ratio:340/480}.gauge svg{display:block;width:100%;height:auto}.gauge .cap{position:absolute;left:14px;top:12px;color:var(--foam);font-weight:700;font-size:10px;letter-spacing:.24em;text-transform:uppercase;opacity:.9;z-index:2}.gauge .fade{transition:opacity .9s ease}.gauge .wave{transform-box:fill-box;transform-origin:50% 100%;animation:heave var(--heave,9s) ease-in-out infinite alternate}@keyframes heave{0%{transform:translate(calc(var(--sx,1) * -1px)) scaleY(1)}to{transform:translate(calc(var(--sx,1) * 1px),calc(var(--sy,1) * 1px)) scaleY(var(--sc,1))}}.gauge .rise{transition:transform 1s cubic-bezier(.2,.8,.2,1)}.gauge .wave image{opacity:0;transform-box:fill-box;transform-origin:50% 100%;transform:translateY(16px) scaleY(.92);transition:opacity .8s ease,transform 1s cubic-bezier(.2,.8,.2,1)}.gauge .wave image.on{opacity:1;transform:none}.gauge .boatpos{opacity:0;transition:opacity .6s ease,transform .7s cubic-bezier(.2,.8,.2,1)}.gauge .boatpos.on{opacity:1}.gauge .boat{transform-box:fill-box;transform-origin:50% 100%;animation:bob var(--bobt,5.4s) ease-in-out infinite}.gauge .boat.hit{animation:bob var(--bobt,5.4s) ease-in-out infinite,rock .9s ease-out}@keyframes bob{0%,to{transform:translateY(0) rotate(calc(var(--rock,1deg) * -1))}50%{transform:translateY(calc(var(--bob,4) * -1px)) rotate(var(--rock,1deg))}}@keyframes rock{0%{transform:translateY(2px) rotate(-5deg)}40%{transform:translateY(-3px) rotate(4deg)}to{transform:translateY(0) rotate(0)}}.gauge .strip{animation:sway var(--swayt,11s) ease-in-out infinite alternate}.gauge .strip.front{animation-direction:alternate-reverse;animation-duration:calc(var(--swayt,11s) * .8)}@keyframes sway{0%{transform:translate(calc(var(--sway,7) * -1px))}to{transform:translate(calc(var(--sway,7) * 1px))}}.gauge .rain{animation:rain .55s linear infinite}@keyframes rain{0%{transform:translate(0)}to{transform:translate(-9.92px,34.61px)}}.gauge .label{font-family:Zen Kaku Gothic New,sans-serif;font-weight:700;font-size:10px;letter-spacing:1.6px}.gauge .num{font-family:Shippori Mincho B1,serif;font-weight:800;font-size:16px}.gauge .sub{font-family:Zen Kaku Gothic New,sans-serif;font-size:10.5px;opacity:.8}.scrollwrap{position:sticky;top:20px}.kake{position:relative;margin:0 16px;box-sizing:border-box;display:flex;flex-direction:column;border-style:solid;border-width:46px 6px 49px;border-image:url(/art/scroll-mount.webp) 92 44 98 44 fill / 46px 22px 49px / 0 16px stretch;filter:drop-shadow(0 22px 24px rgba(15,42,82,.28));scroll-margin-top:20px;transition:transform .35s cubic-bezier(.2,.9,.3,1.2);--sumi:#1c2433;--sumi-2:#45506a;--muted:#6b7382;--ai:#1f3f6e;--shu:#c4401f;--washi-2:#faf5ea;--rule:rgba(28,36,51,.22);--rule-soft:rgba(28,36,51,.12);color:var(--sumi)}.kake.press{transform:scale(.995)}.model .kake{min-height:480px}.kake .paper{flex:1;display:flex;flex-direction:column;position:relative;padding:16px 20px 12px}.kake .eyebrow{font-weight:700;font-size:10px;letter-spacing:.3em;text-transform:uppercase;color:var(--ai);margin:0 0 6px}.kake .big{font-family:Shippori Mincho B1,serif;font-weight:800;font-size:42px;line-height:1;letter-spacing:-.01em;margin:0}.kake .words{font-family:Shippori Mincho B1,serif;font-size:15px;line-height:1.35;margin:8px 0 0;color:var(--sumi-2)}.kake .words em{font-style:normal;color:var(--shu);font-weight:700}.kake dl{margin:14px 0 0;display:grid;grid-template-columns:1fr 1fr;gap:10px 14px;border-top:1px solid var(--rule-soft);padding-top:12px}.kake dt{font-weight:700;font-size:9.5px;letter-spacing:.2em;text-transform:uppercase;color:var(--muted)}.kake dd{margin:2px 0 0;font-family:Shippori Mincho B1,serif;font-weight:800;font-size:20px;line-height:1.1}.kake dd.neg{color:var(--shu)}.kake .note{margin:12px 0 0;font-size:13.5px;line-height:1.45;color:var(--sumi-2);padding-right:66px}.kake .note b{font-weight:700;color:var(--sumi)}.kake .warn{margin:12px 66px 0 0;padding:10px 12px;border:1.5px solid var(--shu);color:var(--shu);font-size:13.5px;line-height:1.4;border-radius:3px}.kake .warn b{display:block;font-size:9.5px;letter-spacing:.24em;text-transform:uppercase;margin-bottom:3px}.kake .caveat{margin:10px 66px 0 0;padding:8px 10px;border:1.5px solid var(--ai);border-radius:3px;color:var(--sumi-2);font-size:12.5px;line-height:1.38}.kake .heavy dl{margin-top:11px;padding-top:10px;row-gap:7px}.kake .caveat b{display:block;color:var(--ai);font-size:9.5px;letter-spacing:.22em;text-transform:uppercase;margin-bottom:3px}.kake .foot{margin-top:auto;padding-top:10px;white-space:nowrap;display:flex;justify-content:space-between;align-items:baseline;gap:10px;font-family:DM Mono,monospace;font-size:10px;letter-spacing:.08em;color:var(--muted)}.kake .copylink{-webkit-appearance:none;-moz-appearance:none;appearance:none;display:inline-flex;align-items:center;gap:6px;border:0;padding:7px 13px 7px 11px;border-radius:999px;background:#0f2a52;color:#faf5ea;font:700 10px/1 Zen Kaku Gothic New,sans-serif;letter-spacing:.18em;text-transform:uppercase;cursor:pointer;transition:background .15s}.kake .copylink:hover{background:var(--shu)}.kake .copylink svg{width:13px;height:13px}.kake .foot{align-items:center}dialog.share{max-width:min(760px,calc(100vw - 32px))}.sharesheet{background:var(--washi-2);color:var(--sumi);border-radius:6px;box-shadow:0 40px 80px -30px #0009;border:1px solid var(--rule-soft);padding:26px 28px 22px;position:relative;display:grid;gap:16px}.sharesheet .close{position:absolute;right:12px;top:12px;width:34px;height:34px;border-radius:50%;border:1px solid var(--rule);background:var(--washi-2);color:var(--sumi);font:400 18px/1 DM Mono,monospace;cursor:pointer;z-index:2}.sharesheet .close:hover{color:var(--shu);border-color:var(--shu)}.sharesheet .stepn{margin:0 0 6px;font-family:DM Mono,monospace;font-size:11px;letter-spacing:.14em;color:var(--shu);text-transform:uppercase}.sharesheet h3{margin:0;font-family:Shippori Mincho B1,serif;font-weight:800;font-size:clamp(22px,2.4vw,28px);line-height:1.15}.sharesheet .preview{aspect-ratio:1200/675;border-radius:4px;overflow:hidden;background:var(--washi);box-shadow:inset 0 0 0 1px var(--rule-soft);display:grid;place-items:center;color:var(--muted);font-size:14px}.sharesheet .preview img{width:100%;height:100%;display:block;transition:opacity .2s}.sharesheet .preview.busy img{opacity:.55}.sharesheet .amounts{display:flex;gap:10px;align-items:flex-start;font-size:14px;cursor:pointer}.sharesheet .amounts input{margin-top:3px;accent-color:var(--shu);width:16px;height:16px}.sharesheet .amounts small{display:block;color:var(--muted);font-size:12.5px;margin-top:2px}.sharesheet .channels{display:flex;flex-wrap:wrap;gap:8px}.chan{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:1.5px solid var(--sumi);background:transparent;color:var(--sumi);border-radius:999px;padding:10px 16px;font:700 12px/1 Zen Kaku Gothic New,sans-serif;letter-spacing:.12em;text-transform:uppercase;cursor:pointer;transition:background .15s,color .15s,border-color .15s}.chan:hover:not(:disabled){background:var(--sumi);color:var(--washi)}.chan.primary{background:var(--shu);border-color:var(--shu);color:#faf5ea}.chan.primary:hover{background:var(--ai-2);border-color:var(--ai-2)}.chan:disabled{opacity:.45;cursor:wait}.sharesheet .more{display:flex;flex-wrap:wrap;gap:6px 20px;border-top:1px solid var(--rule-soft);padding-top:14px}.sharesheet .more .linkbtn:disabled{opacity:.45;cursor:wait}.sharesheet .status{margin:0;font-size:13.5px;line-height:1.45;color:var(--ai);min-height:1.45em}.kake .hanko{right:14px;bottom:32px;width:60px;height:60px}.hanko{position:absolute;right:16px;bottom:16px;width:76px;height:76px;transform:rotate(-7deg);pointer-events:none}.hanko svg{width:100%;height:100%;display:block;overflow:visible}.hanko.hit{animation:hanko .42s cubic-bezier(.2,.9,.25,1.25)}@keyframes hanko{0%{transform:rotate(-7deg) scale(1.7);opacity:0}60%{opacity:1}to{transform:rotate(-7deg) scale(1);opacity:1}}dialog.eli5{border:0;padding:0;background:transparent;max-width:min(880px,calc(100vw - 32px));width:100%;overflow:visible;color:var(--sumi)}dialog.eli5::backdrop{background:#0d162694;-webkit-backdrop-filter:blur(3px);backdrop-filter:blur(3px)}dialog.eli5[open]{animation:dlg .32s cubic-bezier(.2,.9,.3,1.1)}@keyframes dlg{0%{opacity:0;transform:translateY(14px) scale(.98)}to{opacity:1;transform:none}}.sheet{background:var(--washi-2);color:var(--sumi);border-radius:6px;box-shadow:0 40px 80px -30px #0009;display:grid;grid-template-columns:320px 1fr;overflow:hidden;position:relative;border:1px solid var(--rule-soft)}.sheet .art{background:var(--washi);border-right:1px solid var(--rule-soft);display:grid;place-items:center;padding:26px}.sheet .art img{width:100%;aspect-ratio:1;object-fit:cover;border-radius:4px;box-shadow:inset 0 0 0 1px var(--rule-soft)}.sheet .txt{padding:34px 36px 28px;display:flex;flex-direction:column;min-height:400px}.sheet .stepn{margin:0 0 10px;font-family:DM Mono,monospace;font-size:11px;letter-spacing:.14em;color:var(--shu)}.sheet h3{margin:0 0 14px;font-family:Shippori Mincho B1,serif;font-weight:800;font-size:clamp(24px,2.4vw,32px);line-height:1.15}.sheet .body{font-size:17px;line-height:1.6;color:var(--sumi-2);flex:1}.sheet .body p{margin:0}.sheet .body b{color:var(--sumi);font-family:Shippori Mincho B1,serif;font-weight:800;font-size:1.08em;white-space:nowrap}.sheet .body a{color:var(--shu);font-weight:700}.sheet .nav{display:flex;align-items:center;justify-content:space-between;gap:14px;margin-top:22px;padding:18px 0 0;border-top:1px solid var(--rule-soft)}.sheet .dots{display:flex;gap:7px}.sheet .dots i{width:8px;height:8px;border-radius:50%;background:var(--rule);display:block;transition:background .2s,transform .2s}.sheet .dots i.on{background:var(--shu);transform:scale(1.25)}.sheet .nav .btn{padding:10px 16px;font-size:11px}.sheet .close{position:absolute;right:12px;top:12px;width:34px;height:34px;border-radius:50%;border:1px solid var(--rule);background:var(--washi-2);color:var(--sumi);font:400 18px/1 DM Mono,monospace;cursor:pointer;z-index:2}.sheet .close:hover{color:var(--shu);border-color:var(--shu)}.sheet .body p+p{margin-top:12px}.colophon .sigart{padding:40px}.colophon .genesis{font-family:DM Mono,monospace;font-size:12px;letter-spacing:.06em;color:var(--muted);border-left:2px solid var(--shu);padding-left:12px;margin-top:16px}.colophon .hint{font-size:12.5px;line-height:1.45;color:var(--muted);max-width:34ch}.modelgate{position:relative}.modelgate .unlock{position:absolute;top:0;right:0;bottom:0;left:0;z-index:35;-webkit-appearance:none;-moz-appearance:none;appearance:none;border:0;padding:0;margin:0;background:transparent;cursor:pointer;border-radius:6px}.modelgate .unlock:focus-visible{outline:2px solid var(--shu);outline-offset:6px}.gate .sheet{grid-template-columns:300px 1fr}.gate .art img{object-position:50% 50%}.gate .txt{min-height:0;padding-top:32px}.gate h3{margin-bottom:16px}.gate .terms{list-style:none;margin:0;padding:0;display:grid;gap:10px;font-size:15px;line-height:1.5;color:var(--sumi-2)}.gate .terms li{padding-left:16px;position:relative}.gate .terms li:before{content:"";position:absolute;left:0;top:.62em;width:6px;height:6px;border-radius:50%;background:var(--shu)}.gate .terms b{color:var(--sumi);font-weight:700}.gate .agree{display:flex;gap:12px;align-items:flex-start;margin-top:18px;padding:13px 15px;border:1.5px solid var(--rule);border-radius:4px;background:var(--washi);font-size:14.5px;line-height:1.45;font-weight:500;cursor:pointer;transition:border-color .15s}.gate .agree:hover,.gate .agree:has(input:checked){border-color:var(--shu)}.gate .agree input{accent-color:var(--shu);width:18px;height:18px;margin:2px 0 0;flex:none;cursor:pointer}.gate .nav{margin-top:18px}.gate .nav .linkbtn{font-size:14px;color:var(--muted)}.gate .nav .linkbtn:hover{color:var(--shu)}.gate .btn.primary:disabled,.gate .btn.primary:disabled:hover{opacity:.38;cursor:not-allowed;transform:none;background:var(--ai-2);border-color:var(--ai-2)}.linkbtn{-webkit-appearance:none;-moz-appearance:none;appearance:none;background:none;border:0;padding:0;font:inherit;color:inherit;cursor:pointer;text-decoration:underline;text-decoration-style:dotted;text-underline-offset:3px}.linkbtn:hover{color:var(--shu)}.tide-table{border:1px solid var(--rule);border-radius:4px;overflow:auto;background:var(--washi-2)}table{width:100%;border-collapse:collapse;font-variant-numeric:lining-nums tabular-nums}th{font-weight:700;font-size:10px;letter-spacing:.22em;text-transform:uppercase;color:var(--ai);text-align:left;padding:14px 18px;border-bottom:1px solid var(--rule);background:var(--ai-soft)}td{padding:13px 18px;border-bottom:1px solid var(--rule-soft);font-family:Shippori Mincho B1,serif;font-weight:700;font-size:18px;white-space:nowrap}td:first-child{font-family:DM Mono,monospace;font-size:12px;letter-spacing:.06em;font-weight:500}td:first-child em{font-style:normal;color:var(--shu);font-weight:700;margin-right:6px;text-transform:uppercase;font-family:Zen Kaku Gothic New,sans-serif;font-size:10px;letter-spacing:.2em}tr.is-floor td{background:var(--shu-soft);border-top:1.5px solid var(--shu);border-bottom:1.5px solid var(--shu)}tr.is-short td{color:var(--muted);background:repeating-linear-gradient(180deg,transparent 0 5px,var(--ai-soft) 5px 6px)}tr.is-short td:last-child,tr.is-covered td:last-child{font-family:Zen Kaku Gothic New,sans-serif;font-weight:700;font-size:10px;letter-spacing:.2em;text-transform:uppercase}tr.is-covered td:last-child{color:var(--ai)}tr.is-short td:last-child{color:var(--shu)}.tnote{margin:14px 0 0;color:var(--muted);font-size:15px;max-width:70ch}.method{background:var(--washi-2);border:1px solid var(--rule-soft);border-radius:6px;box-shadow:0 30px 60px -44px #00000073;padding:clamp(22px,3.4vw,46px)}.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:34px}.step .print{aspect-ratio:1;overflow:hidden;border-radius:3px;box-shadow:inset 0 0 0 1px var(--rule-soft);margin-bottom:18px;background:var(--washi-2)}.step .print img{width:100%;height:100%;object-fit:cover;display:block}@media (prefers-color-scheme:dark){:root:not([data-theme=light]) .step .print img,:root:not([data-theme=light]) .sheet .art img{filter:brightness(.82) contrast(1.05)}}:root[data-theme=dark] .step .print img,:root[data-theme=dark] .sheet .art img{filter:brightness(.82) contrast(1.05)}.step h3{margin:0 0 8px;font-family:Shippori Mincho B1,serif;font-weight:800;font-size:22px;display:flex;gap:12px;align-items:baseline}.step h3 small{font-family:DM Mono,monospace;font-size:11px;color:var(--shu);letter-spacing:.1em}.step p{margin:0;color:var(--sumi-2);font-size:15.5px;line-height:1.55}.formula{margin:44px 0 0;display:grid;grid-template-columns:1fr 1fr;gap:28px;border-top:1px solid var(--rule);padding-top:26px}.formula b{display:block;font-weight:700;font-size:10px;letter-spacing:.24em;text-transform:uppercase;color:var(--ai);margin-bottom:10px}.formula .eq{font-family:Shippori Mincho B1,serif;font-size:24px;font-weight:700}.formula .eq sup{font-size:.6em}.formula p{margin:8px 0 0;font-size:14.5px;color:var(--sumi-2)}.honest{margin:30px 0 0;max-width:820px}.honest h4,.next h4{margin:0 0 8px;font-family:Shippori Mincho B1,serif;font-weight:800;font-size:18px}.honest ul{margin:0;padding-left:20px;color:var(--sumi-2);font-size:15.5px}.honest li{margin:4px 0}.next{margin:44px 0 0;border-top:1px solid var(--rule);padding-top:26px}.nextlinks{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin-top:14px}.nextlinks a{display:flex;flex-direction:column;gap:6px;padding:18px 20px;border:1px solid var(--rule);border-radius:4px;text-decoration:none;background:var(--washi);transition:border-color .15s,transform .15s}.nextlinks a:hover{border-color:var(--shu);transform:translateY(-2px)}.nextlinks b{font-family:Shippori Mincho B1,serif;font-weight:800;font-size:18px}.nextlinks span{font-size:14px;color:var(--sumi-2);line-height:1.45}footer{margin:90px 0 110px;border-top:1px solid var(--rule);padding-top:22px;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:24px;color:var(--muted);font-size:14px;align-items:start}footer .disc{max-width:74ch;line-height:1.55}footer .meta{display:flex;flex-direction:column;gap:10px;align-items:flex-end}.theme{display:inline-flex;border:1px solid var(--rule);border-radius:999px;padding:2px}.theme button{-webkit-appearance:none;-moz-appearance:none;appearance:none;background:none;border:0;border-radius:999px;padding:5px 10px;font:700 10px/1 Zen Kaku Gothic New,sans-serif;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);cursor:pointer}.theme button.on{background:var(--sumi);color:var(--washi)}.answerbar{position:fixed;left:0;right:0;bottom:0;z-index:50;display:none;background:var(--ai-2);color:var(--washi-2);padding:12px 16px calc(12px + env(safe-area-inset-bottom));align-items:center;justify-content:space-between;gap:12px;box-shadow:0 -10px 30px #00000040;transform:translateY(110%);transition:transform .35s}.answerbar.show{transform:none}.answerbar .v{display:flex;flex-direction:column;gap:2px}.answerbar .v b{font-family:Shippori Mincho B1,serif;font-weight:800;font-size:24px;line-height:1}.answerbar .v span{font-weight:700;font-size:10px;letter-spacing:.2em;text-transform:uppercase;color:var(--kin)}.answerbar a{font-weight:700;font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--washi-2);text-decoration:none;border:1.5px solid var(--washi-2);border-radius:999px;padding:10px 14px}:root[data-theme=dark] .answerbar,:root:not([data-theme=light]) .answerbar{background:#0f2a52;color:#faf5ea}:root[data-theme=dark] .answerbar a,:root:not([data-theme=light]) .answerbar a{color:#faf5ea;border-color:#faf5ea}@media (max-width:1180px){.model .kake{min-height:0}.model{grid-template-columns:minmax(0,1fr) 380px}.inputs{grid-row:1/3}.right,.scrollwrap{grid-column:2}.model .right,.scrollwrap{position:static}}@media (max-width:860px){body{font-size:16px}.nav nav a:not(.keep){display:none}.nav .tag{display:none}.hero{border-radius:0;margin-inline:calc(-1*max(16px,env(safe-area-inset-left)));width:auto;box-shadow:none;background:transparent;overflow:visible}.hero picture{position:relative;display:block;overflow:hidden;background:var(--sky)}.hero img{aspect-ratio:9/16;max-height:80vh;transform:none;object-position:center top;animation:none}.hero .copy{left:7%;right:7%;width:auto;top:4.5%}.hero .copy .lab{letter-spacing:.18em;margin-bottom:12px}.hero .copy .sub{display:none}.hero h1{font-size:clamp(36px,10.5vw,50px)}.hero .sub-phone{display:block;padding:22px 16px 6px;color:var(--sumi)}.hero .sub-phone p{font-size:16.5px;max-width:32ch;margin:0 0 18px;color:var(--sumi-2)}.hero .vtag{right:12px;top:auto;bottom:14px;writing-mode:horizontal-tb;padding:8px 10px}.hero .vtag i{margin:0 8px 0 0}.hero .sigbtn{left:12px;bottom:14px}.cartouche.big .sig{font-size:26px;padding:14px 8px}.colophon .sigart{padding:22px 16px 0}.colophon .hint{display:none}.sec{margin:56px 0 22px;grid-template-columns:1fr}.sec .v{writing-mode:horizontal-tb;transform:none;border-left:0;border-bottom:1px solid var(--rule);padding:0 0 6px;width:max-content}.model{grid-template-columns:1fr;gap:24px}.model .right{position:sticky;top:auto;bottom:0;z-index:30;margin:0 calc(-1*max(16px,env(safe-area-inset-left)));height:clamp(230px,34vh,330px);display:flex;flex-direction:column;background:#0f2a52;box-shadow:0 -16px 34px -12px #0d162680;padding-bottom:env(safe-area-inset-bottom)}.panelans{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:8px 16px;color:#faf5ea;flex:none}.panelans .v{display:flex;align-items:baseline;gap:10px;min-width:0}.panelans .v b{font-family:Shippori Mincho B1,serif;font-weight:800;font-size:22px;line-height:1}.panelans .v span{font-weight:700;font-size:9.5px;letter-spacing:.16em;text-transform:uppercase;color:#f0b65a;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.panelans a{flex:none;font-weight:700;font-size:10px;letter-spacing:.14em;text-transform:uppercase;color:#faf5ea;text-decoration:none;border:1.5px solid rgba(250,245,234,.8);border-radius:999px;padding:7px 11px}.model .right .gaugewrap{flex:1;min-height:0}.model .right .gauge{aspect-ratio:auto;height:100%;border-radius:0;box-shadow:none}.model .right .gauge svg{width:100%;height:100%}.gauge.wide .cap{display:none}.inputs{grid-row:auto}.right,.scrollwrap{grid-column:auto}.inputs .row{grid-template-columns:minmax(0,1fr) auto;gap:10px;align-items:center;padding:9px 0}.inputs .l b{letter-spacing:.13em;font-size:10.5px}.inputs .l span{display:none}.inputs .l.open{grid-column:1/-1}.inputs .l.open span{display:block;max-width:none;margin-top:3px;font-size:13.5px}.inputs .l .hint{display:inline-grid;place-items:center;width:18px;height:18px;margin-left:8px;padding:0;border-radius:50%;border:1px solid var(--rule);background:none;color:var(--muted);font:700 10px/1 Zen Kaku Gothic New,sans-serif;letter-spacing:0;vertical-align:1px;cursor:pointer}.inputs .l.open .hint{background:var(--ai);border-color:var(--ai);color:var(--washi-2)}.row.items{grid-template-columns:minmax(0,1fr) auto}.row.items .add{grid-column:2;grid-row:1;align-self:center;padding:7px 12px}.row.items .itemlist{grid-column:1/-1}.stepper{gap:6px}.stepper button{width:34px;height:34px;font-size:18px}.stepper .field{width:62px}.risk{padding:10px 0 2px}.risk .cur{margin:2px 0 0;gap:8px}.risk .cur b{font-size:22px}.risk .cur span{font-size:12px}.tideslider,.tideslider input[type=range]{height:38px}details.fine{margin-top:4px}details.fine summary{padding:12px 0}.explain{margin-top:10px}.explain span{display:none}.explain .btn{padding:11px 16px}.field{min-width:0;width:min(46vw,200px);justify-content:flex-end}.field input{width:100%;text-align:right;font-size:24px}.item{grid-template-columns:1fr auto}.item .x{grid-column:2;grid-row:1;justify-self:end}.item .field{grid-column:1/3;min-width:0;width:auto}.item .field input{width:100%;text-align:left}.seg label,.seg .locked{padding:8px 11px;font-size:10.5px;letter-spacing:.1em}.seg .tip:before{right:36px}.risk .labels button{font-size:9px;letter-spacing:.06em}.explain .btn{width:100%;justify-content:center}.kake .big{font-size:40px}.kake dd{font-size:19px}dialog.eli5{max-width:100vw;margin:auto 0 0;max-height:94vh}.sheet{grid-template-columns:1fr;border-radius:14px 14px 0 0;max-height:94vh;overflow:auto}.sharesheet{border-radius:14px 14px 0 0;max-height:94vh;overflow:auto;padding:20px 18px 18px;gap:14px}.chan{padding:10px 13px;font-size:11px}.sheet .art{padding:16px 16px 0;border-right:0;background:var(--washi-2)}.sheet .art img{width:min(100%,260px);margin:0 auto}.sheet .txt{padding:18px 20px 22px;min-height:0}.sheet .body{font-size:16px}.gate .sheet{grid-template-columns:1fr}.gate .art{padding:14px 14px 0}.gate .art img{width:100%;aspect-ratio:16/5;object-position:50% 52%}.gate .txt{padding:16px 18px 18px}.gate h3{margin-bottom:12px}.gate .terms{font-size:14px;gap:8px}.gate .agree{font-size:13.5px;margin-top:14px;padding:11px 12px}.gate .nav{margin-top:14px;padding-top:14px}td,th{padding:11px 8px}td{font-size:15px}td:first-child{font-size:11px;letter-spacing:.02em}td:first-child em{display:block;margin:0 0 2px;font-size:9px;letter-spacing:.12em}tr.is-short td:last-child,tr.is-covered td:last-child{font-size:9.5px;letter-spacing:.06em}th:nth-child(2),td:nth-child(2){display:none}td:first-child:after{content:attr(data-price);display:block;font-size:10px;color:var(--muted);margin-top:2px;font-family:DM Mono,monospace}.steps{grid-template-columns:1fr;gap:26px}.step .print{width:min(100%,320px)}.formula{grid-template-columns:1fr;gap:20px}.formula .eq{font-size:17.5px;white-space:nowrap}.nextlinks{grid-template-columns:1fr}footer{grid-template-columns:1fr}footer .meta{align-items:flex-start}.answerbar{display:flex}footer{margin-bottom:120px}}@media (max-width:860px) and (max-height:740px){.gate .art{display:none}.gate .txt{padding-top:22px}}@media (prefers-reduced-motion:reduce){.gauge .boat,.gauge .strip,.gauge .wave,.gauge .rain,.hero img{animation:none}.gauge .wave image,.gauge .rise,.gauge .boatpos,.gauge .fade{transition:none}.hanko.hit{animation:none}dialog.eli5[open]{animation:none}}