:root{--bb-navy:#0b2942;--bb-blue:#2c6185;--bb-teal:#2d7568;--bb-gold:#9b6a28;--bb-gold-text:#76501c;--bb-paper:#f5f2eb;--bb-white:#fff;--bb-ink:#16344b;--bb-muted:#526977;--bb-line:#cfdae1;--bb-soft-blue:#e8f0f4;--bb-soft-teal:#e5f0ec;--bb-soft-gold:#f5eddd;--bb-soft-red:#f6e9e6;--bb-red:#9b5049}
*{box-sizing:border-box}.budget-page{color:var(--bb-ink)}.budget-shell{width:min(1120px,calc(100% - 48px));margin:auto}.budget-article-width{width:min(800px,calc(100% - 48px));margin:auto}.budget-kicker{margin:0 0 .8rem;color:var(--bb-gold-text);font:700 .72rem/1.5 Montserrat,'Noto Sans JP',sans-serif;letter-spacing:.12em}
.budget-page .content-context{margin-top:71px;border-bottom:1px solid var(--bb-line);background:#fff}.budget-page .content-context-inner{width:min(1120px,calc(100% - 48px));min-height:54px;margin:auto;display:flex;align-items:center;justify-content:space-between;gap:20px}.budget-page .content-context ol{display:flex;min-width:0;gap:8px;align-items:center;list-style:none;margin:0;padding:0;font-size:.76rem;color:#647888}.budget-page .content-context li{display:flex;min-width:0;align-items:center;gap:8px}.budget-page .content-context li:not(:last-child)::after{content:"/";color:#a6b3bc}.budget-page .content-context a{color:#40596d;text-decoration:none}.budget-page .content-context-all{flex:0 0 auto;font-weight:700}
.budget-hero{padding:5.2rem 0 5.7rem;border-bottom:1px solid var(--bb-line);background:radial-gradient(circle at 90% 10%,rgba(155,106,40,.18),transparent 26%),linear-gradient(135deg,#fbf9f4 0,#e8f1f3 100%)}.budget-hero-grid{display:grid;grid-template-columns:minmax(0,1.18fr) minmax(350px,.82fr);gap:clamp(2.8rem,6vw,5.4rem);align-items:center}.budget-hero-copy h1{max-width:760px;margin:1rem 0 0;color:var(--bb-navy);font:600 clamp(2.15rem,4.2vw,3.45rem)/1.4 'Noto Serif JP',serif;letter-spacing:-.045em}.budget-hero-copy h1 span{display:block;word-break:keep-all;overflow-wrap:normal}.budget-hero-copy h1 span+span{margin-top:.35em;color:var(--bb-blue);font-size:.7em;line-height:1.5;letter-spacing:-.025em}.budget-lead{max-width:720px;margin:1.7rem 0 0;color:var(--bb-muted);font-size:1rem;line-height:2}.budget-primary{display:inline-flex;align-items:center;gap:.7rem;margin-top:2rem;padding-bottom:.3rem;border-bottom:1px solid var(--bb-navy);color:var(--bb-navy);font-size:.88rem;font-weight:700;text-decoration:none}
.budget-hero-object{padding:1.55rem;color:#fff;background:var(--bb-navy);box-shadow:18px 18px 0 #d7e5e1}.budget-object-head{display:flex;align-items:end;justify-content:space-between;gap:1rem;padding-bottom:1rem;border-bottom:1px solid rgba(255,255,255,.18)}.budget-object-head span{color:#ead9b7;font:700 .66rem Montserrat,sans-serif;letter-spacing:.1em}.budget-object-head strong{font:600 1.05rem 'Noto Serif JP',serif}.budget-hero-object dl{display:grid;gap:.55rem;margin:1rem 0 0}.budget-hero-object dl>div{display:grid;grid-template-columns:6.2rem 1fr;gap:.8rem;align-items:center;padding:.7rem .8rem;border:1px solid rgba(255,255,255,.15);background:rgba(255,255,255,.06)}.budget-hero-object dt{color:#ead9b7;font-size:.7rem;font-weight:700}.budget-hero-object dd{margin:0;color:#fff;font-size:.82rem;font-weight:600;line-height:1.55}.budget-hero-object>p{margin:1rem 0 0;color:rgba(255,255,255,.72);font-size:.72rem;line-height:1.7}
.budget-section{padding:5.5rem 0;scroll-margin-top:100px}.budget-section h2{margin:0;color:var(--bb-navy);font:600 clamp(1.8rem,3.6vw,2.5rem)/1.55 'Noto Serif JP',serif;letter-spacing:-.025em;text-wrap:pretty}.budget-no-break{display:inline-block;white-space:nowrap}.budget-section p{color:var(--bb-muted);line-height:2}.budget-section-heading{max-width:820px;margin-bottom:2.5rem}.budget-section-heading>p:last-child{margin:1rem 0 0}.budget-answer-section{background:#fff}.budget-answer-lead{margin:1.5rem 0 0;color:var(--bb-ink)!important;font-size:1.05rem}.budget-formula{display:grid;grid-template-columns:1fr 2fr;gap:.45rem;align-items:center;margin:1.8rem 0;padding:1rem;border:1px solid var(--bb-line);background:var(--bb-soft-blue);text-align:center}.budget-formula span,.budget-formula b{font-size:.76rem;line-height:1.6}.budget-formula span{color:var(--bb-gold-text);font-weight:700}.budget-formula strong{padding:.72rem;color:#fff;background:var(--bb-navy);font-size:.86rem;line-height:1.6}.budget-formula b{grid-column:1/-1;padding:.45rem;color:var(--bb-teal)}
.budget-contract-section{border-top:1px solid var(--bb-line);border-bottom:1px solid var(--bb-line);background:var(--bb-paper)}.budget-contract-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:1rem}.budget-contract-grid article{padding:1.45rem;border:1px solid var(--bb-line);background:#fff}.budget-contract-grid article>span{display:inline-block;padding:.35rem .65rem;color:#fff;background:var(--bb-blue);font-size:.72rem;font-weight:700}.budget-contract-grid article:last-child>span{background:var(--bb-teal)}.budget-contract-grid h3{margin:1rem 0 0;color:var(--bb-navy);font-size:1.05rem;line-height:1.7}.budget-contract-grid p{margin:.65rem 0 0;font-size:.86rem;line-height:1.85}.budget-contract-grid strong{display:block;margin-top:.8rem;color:var(--bb-gold-text);font-size:.75rem;line-height:1.7}.budget-contract-note{margin-top:1rem;padding:1rem 1.2rem;border-left:4px solid var(--bb-gold);background:var(--bb-soft-gold)}.budget-contract-note p{margin:0;font-size:.84rem;line-height:1.9}.budget-contract-note strong{color:var(--bb-navy)}
.budget-items-section{background:#eaf1f3}.budget-items{display:grid;grid-template-columns:repeat(2,1fr);gap:.9rem;list-style:none;margin:0;padding:0}.budget-items li{display:grid;grid-template-columns:46px 1fr;gap:1rem;padding:1.25rem;border:1px solid var(--bb-line);background:#fff}.budget-items li>span{display:grid;width:40px;height:40px;place-items:center;border-radius:50%;color:#fff;background:var(--bb-navy);font:700 .68rem Montserrat,sans-serif}.budget-items h3{margin:0;color:var(--bb-navy);font-size:1rem}.budget-items p{margin:.5rem 0 0;font-size:.84rem;line-height:1.8}.budget-items b{display:block;margin-top:.7rem;color:var(--bb-teal);font-size:.73rem;line-height:1.7}
.budget-sheet-section{background:#fff}.budget-sheet-grid{display:grid;grid-template-columns:.78fr 1.22fr;gap:3.5rem;align-items:start}.budget-sheet-copy>p:nth-of-type(2){margin:1.2rem 0 0}.budget-sheet-tip{margin-top:1.6rem;padding:1rem;border-left:4px solid var(--bb-teal);background:var(--bb-soft-teal)}.budget-sheet-tip strong{color:var(--bb-navy);font-size:.84rem}.budget-sheet-tip p{margin:.4rem 0 0;font-size:.8rem;line-height:1.8}.budget-sheet{border:1px solid var(--bb-line);box-shadow:12px 12px 0 var(--bb-soft-blue);background:#fff}.budget-sheet-head{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:1rem 1.2rem;color:#fff;background:var(--bb-navy)}.budget-sheet-head span{color:#ead9b7;font:700 .65rem Montserrat,sans-serif;letter-spacing:.08em}.budget-sheet-head strong{font-size:.95rem}.budget-sheet dl{margin:0}.budget-sheet dl>div{display:grid;grid-template-columns:12rem 1fr;gap:1rem;padding:1rem 1.15rem;border-bottom:1px solid var(--bb-line)}.budget-sheet dl>div:last-child{border-bottom:0}.budget-sheet dt{color:var(--bb-gold-text);font-size:.75rem;font-weight:700;line-height:1.65}.budget-sheet dd{margin:0;color:var(--bb-muted);font-size:.78rem;line-height:1.75}
.budget-example-section{color:#fff;background:var(--bb-navy)}.budget-example-section .budget-kicker{color:#ead9b7}.budget-example-section h2{color:#fff}.budget-example-section .budget-section-heading>p:last-child{color:rgba(255,255,255,.74)}.budget-example{display:grid;grid-template-columns:repeat(2,1fr);gap:.8rem;margin:0}.budget-example>div{display:grid;grid-template-columns:12.5rem 1fr;gap:1rem;padding:1.15rem;border:1px solid rgba(255,255,255,.16);background:rgba(255,255,255,.07)}.budget-example dt{display:flex;align-items:center;gap:.6rem;color:#ead9b7;font-size:.77rem;font-weight:700;line-height:1.6;white-space:nowrap}.budget-example dt span{display:grid;flex:0 0 auto;width:32px;height:32px;place-items:center;border-radius:50%;color:#fff;background:var(--bb-blue);font:700 .58rem Montserrat,sans-serif}.budget-example dd{margin:0}.budget-example dd strong{color:#fff;font-size:.88rem;line-height:1.7}.budget-example dd p{margin:.4rem 0 0;color:rgba(255,255,255,.72);font-size:.77rem;line-height:1.75}
.budget-questions-section{background:var(--bb-paper)}.budget-questions{display:grid;gap:.7rem;list-style:none;margin:2rem 0 0;padding:0}.budget-questions li{display:grid;grid-template-columns:44px 1fr;gap:.9rem;align-items:center;padding:1rem 1.15rem;border:1px solid var(--bb-line);background:#fff}.budget-questions span{display:grid;width:38px;height:38px;place-items:center;border-radius:50%;color:#fff;background:var(--bb-teal);font:700 .65rem Montserrat,sans-serif}.budget-questions p{margin:0;color:var(--bb-ink);font-size:.9rem;line-height:1.75}
.budget-choice-section{background:#fff}.budget-choice-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:.85rem}.budget-choice-grid article{padding:1.25rem;border-top:4px solid var(--bb-blue);background:var(--bb-soft-blue)}.budget-choice-grid article:nth-child(2){border-color:var(--bb-teal);background:var(--bb-soft-teal)}.budget-choice-grid article:nth-child(3){border-color:var(--bb-gold);background:var(--bb-soft-gold)}.budget-choice-grid span{color:var(--bb-gold-text);font-size:.7rem;font-weight:700}.budget-choice-grid h3{margin:.55rem 0 0;color:var(--bb-navy);font-size:1rem}.budget-choice-grid p{margin:.6rem 0 0;font-size:.82rem;line-height:1.8}
.budget-today-section{border-top:1px solid var(--bb-line);background:#fff}.budget-today-section>div>p:nth-of-type(2){margin:1.2rem 0 0}.budget-today-box{margin-top:1.6rem;padding:1.2rem 1.35rem;border-left:4px solid var(--bb-gold);background:var(--bb-soft-gold)}.budget-today-box strong{color:var(--bb-navy);font-size:.9rem}.budget-today-box p{margin:.4rem 0 0;color:var(--bb-ink);font-size:.88rem;line-height:1.85}.budget-sources-section{border-top:1px solid var(--bb-line);background:var(--bb-paper)}.budget-sources{display:grid;gap:.7rem;list-style:none;margin:2rem 0 0;padding:0}.budget-sources a{display:grid;gap:.3rem;padding:1rem 1.15rem;border:1px solid var(--bb-line);background:#fff;color:var(--bb-navy);text-decoration:none}.budget-sources strong{font-size:.84rem;line-height:1.65}.budget-sources span{color:var(--bb-muted);font-size:.75rem;line-height:1.7}.budget-next-section{border-top:1px solid var(--bb-line);background:#fff}.budget-next-links{display:grid;grid-template-columns:repeat(3,1fr);gap:.8rem;margin-top:2rem}.budget-next-links a{display:grid;gap:.35rem;padding:1rem;border:1px solid var(--bb-line);background:var(--bb-paper);color:var(--bb-navy);text-decoration:none}.budget-next-links span{color:var(--bb-gold-text);font-size:.7rem;font-weight:700}.budget-next-links strong{font-size:.82rem;line-height:1.65}.budget-faq-section{border-top:1px solid var(--bb-line);background:var(--bb-paper)}.budget-faq-list{display:grid;gap:.75rem;margin-top:2rem}.budget-faq-list article{padding:1.15rem 1.25rem;border-left:3px solid var(--bb-teal);background:#fff}.budget-faq-list h3{margin:0;color:var(--bb-navy);font-size:.95rem}.budget-faq-list p{margin:.5rem 0 0;font-size:.83rem;line-height:1.8}
.budget-page .content-taxonomy-primary>p,.budget-page .content-related>h2{color:var(--bb-gold-text)}.budget-page .content-back{border-top:1px solid var(--bb-line);background:#fff}.budget-page .content-back a{display:grid;grid-template-columns:auto 1fr;gap:.15rem .8rem;width:min(1120px,calc(100% - 48px));margin:0 auto;padding:1.6rem 0;color:var(--bb-navy);text-decoration:none}.budget-page .content-back a>span{grid-row:1/3;align-self:center}.budget-page .content-back a>strong,.budget-page .content-back a>small{display:block}.budget-page .content-back a>small{color:var(--bb-muted);font-size:.82rem}.budget-page .site-footer{margin-top:0}
@media(max-width:900px){.budget-hero-grid,.budget-sheet-grid{grid-template-columns:1fr}.budget-hero-object{max-width:620px}.budget-items,.budget-example{grid-template-columns:1fr}.budget-sheet-grid{gap:2.5rem}.budget-choice-grid,.budget-next-links{grid-template-columns:1fr}}
@media(max-width:640px){.budget-page .nav-main{padding-block:0;border-bottom:0}.budget-page .nav-main.active{padding-block:1rem;border-bottom:.5px solid var(--color-border-light)}.budget-page .content-context{margin-top:90px}.budget-shell,.budget-article-width,.budget-page .content-context-inner,.budget-page .content-back a{width:calc(100% - 28px)}.budget-page .content-context-inner{min-height:48px}.budget-page .content-context ol{overflow:hidden;font-size:.68rem;white-space:nowrap}.budget-page .content-context li:last-child{overflow:hidden;text-overflow:ellipsis}.budget-page .content-context-all{display:none}.budget-hero{padding:4rem 0}.budget-hero-copy h1{font-size:1.86rem;line-height:1.5}.budget-hero-copy h1 span+span{font-size:.74em}.budget-lead{font-size:.91rem;line-height:1.9}.budget-hero-object{padding:1.1rem;box-shadow:10px 10px 0 #d7e5e1}.budget-hero-object dl>div{grid-template-columns:5.5rem 1fr;padding:.65rem}.budget-section{padding:4rem 0}.budget-section h2{font-size:1.65rem}.budget-formula{grid-template-columns:1fr}.budget-formula strong{padding:.7rem}.budget-contract-grid{grid-template-columns:1fr}.budget-items li{grid-template-columns:40px 1fr;gap:.75rem;padding:1rem}.budget-items li>span{width:34px;height:34px}.budget-sheet{box-shadow:8px 8px 0 var(--bb-soft-blue)}.budget-sheet dl>div{grid-template-columns:1fr;gap:.35rem;padding:.85rem}.budget-example>div{grid-template-columns:1fr;gap:.65rem}.budget-example dt{border-bottom:1px solid rgba(255,255,255,.15);padding-bottom:.55rem}.budget-questions li{grid-template-columns:38px 1fr;gap:.7rem;padding:.9rem}.budget-questions span{width:34px;height:34px}.budget-next-links{grid-template-columns:1fr}.budget-page .content-back a{padding:1.3rem 0}.budget-page .content-back a>strong{font-size:.9rem}.budget-page .content-back a>small{font-size:.74rem}}
@media print{.site-header,.budget-page .content-context,.budget-primary,.content-back,.site-footer{display:none!important}.budget-hero{padding:2rem 0;background:#fff}.budget-section{padding:2rem 0}.budget-hero-grid,.budget-sheet-grid{grid-template-columns:1fr}.budget-hero-object{display:none}.budget-example-section{color:#111;background:#fff}.budget-example-section h2,.budget-example-section p,.budget-example dt,.budget-example dd strong{color:#111}.budget-example>div{border:1px solid #ccc;background:#fff}.budget-next-links{display:none}}